//对外暴露一个函数
// 存储token
export const setToken =(token)=>{
  localStorage.setItem('TOKEN',token)
}
// 获取token
export const getToken = ()=>{
  return localStorage.getItem('TOKEN')
}
// 清除本地持久化存储token
export const removeToken =()=>{
  return localStorage.removeItem('TOKEN')
}